GW Security VD8CH-AHD-PK4+2TB Video Security Camera System 2.8-12mm Varifocal Zoom Length (White) High Definition 8 Channel Realtime DVR with (4) Bullet & (4) Dome 1.3 Megapixels 960P HD 1600TVL 2.8-12mm Varifocal Cameras --- Built in 42Pcs/30Pcs IR LED, can view up to 130FT/100FT IR Distance Built in 2.8~12mm Manual Zoom Varifocal megapixel HD lens with IR-CUT which allow you to adjust the angle of View Support PC and mobile surveillance by phones with Andriod, Balckberry, WinCE, Symbian, and iPhone ,HDMI & VGA Uncompressed latency-free analog transmission ensures you see things in realtime, as they happen, without loss or delay Pre-installed 2TB Hard Drive with 1 Year Warranty and Free Life Time Tech Support From U.S.A.